Rearrange the sentences to make meaningful sentences
there/ were/ if/ more/ trees/ the/ in/ area/ the/ air/ would/ be/ fresher
A. If there were more trees in the area, the air would be fresher.
B. If were there more trees in the area, the air would be fresher.
C. If there would be more trees in the area, the air were fresher.
D. If the air were more trees in the area, there would be fresher.